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<pre><span class="comment"> /****************************************************************************
 **
 ** Copyright (C) 2006-2008 Trolltech ASA. All rights reserved.
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 ** This file is part of the documentation of the Qt Toolkit.
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 ** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
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** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. 
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<span class="comment"> /*
  * KAsteroids - Copyright (c) Martin R. Jones 1997
  *
  * Part of the KDE project
  */</span>

 #ifndef __AST_VIEW_H__
 #define __AST_VIEW_H__

 #include &lt;qwidget.h&gt;
 #include &lt;q3ptrlist.h&gt;
 #include &lt;q3intdict.h&gt;
 #include &lt;qtimer.h&gt;
 #include &lt;QGraphicsScene&gt;
 #include &lt;QGraphicsView&gt;
<span class="comment"> //</span>Added by qt3to4:
 #include &lt;QTimerEvent&gt;
 #include &lt;QShowEvent&gt;
 #include &lt;QResizeEvent&gt;
 #include &quot;sprites.h&quot;

 #define MAX_POWER_LEVEL          1000

 class KAsteroidsView : public QWidget
 {
     Q_OBJECT
 public:
     KAsteroidsView( QWidget *parent = 0, const char *name = 0 );
     virtual ~KAsteroidsView();

     int refreshRate;

     void reset();
     void setRockSpeed( double rs ) { rockSpeed = rs; }
     void addRocks( int num );
     void newGame();
     void endGame();
     void newShip();

     void rotateLeft( bool r ) { rotateL = r; rotateSlow = 5; }
     void rotateRight( bool r ) { rotateR = r; rotateSlow = 5; }
     void thrust( bool t ) { thrustShip = t &amp;&amp; shipPower &gt; 0; }
     void shoot( bool s ) { shootShip = s; shootDelay = 0; }
     void setShield( bool s );
     void teleport( bool te) { teleportShip = te &amp;&amp; mTeleportCount; }
     void brake( bool b );
     void pause( bool p);

     void showText( const QString &amp;text, const QColor &amp;color, bool scroll=TRUE );
     void hideText();

     int shots() const { return shotsFired; }
     int hits() const { return shotsHit; }
     int power() const { return shipPower; }

     int teleportCount() const { return mTeleportCount; }
     int brakeCount() const { return mBrakeCount; }
     int shieldCount() const { return mShieldCount; }
     int shootCount() const { return mShootCount; }

 signals:
     void shipKilled();
     void rockHit( int size );
     void rocksRemoved();
     void updateVitals();

 private slots:
     void hideShield();

 protected:
     bool readSprites();
     void wrapSprite( QGraphicsItem * );
     void rockHit( AnimatedPixmapItem * );
     void reducePower( int val );
     void addExhaust( double x, double y, double dx, double dy, int count );
     void processMissiles();
     void processShip();
     void processPowerups();
     void processShield();
     double randDouble();
     int randInt( int range );

     virtual void resizeEvent( QResizeEvent *event );
     virtual void timerEvent( QTimerEvent * );

     void showEvent( QShowEvent * );

 private:
     QGraphicsScene field;
     QGraphicsView view;
     QMap&lt;int, QList&lt;QPixmap&gt; &gt; animation;
     Q3PtrList&lt;AnimatedPixmapItem&gt; rocks;
     Q3PtrList&lt;KMissile&gt; missiles;
     Q3PtrList&lt;KBit&gt; bits;
     Q3PtrList&lt;KExhaust&gt; exhaust;
     Q3PtrList&lt;KPowerup&gt; powerups;
     KShield *shield;
     AnimatedPixmapItem *ship;
     QGraphicsTextItem *textSprite;

     bool rotateL;
     bool rotateR;
     bool thrustShip;
     bool shootShip;
     bool teleportShip;
     bool brakeShip;
     bool pauseShip;
     bool shieldOn;

     bool vitalsChanged;

     int  shipAngle;
     int  rotateSlow;
     int  rotateRate;
     int  shipPower;

     int shotsFired;
     int shotsHit;
     int shootDelay;

     int mBrakeCount;
     int mShieldCount;
     int mTeleportCount;
     int mShootCount;

     double shipDx;
     double shipDy;

     int  textDy;
     int  mFrameNum;
     bool mPaused;
     int  mTimerId;

     double rockSpeed;
     double powerupSpeed;

     bool can_destroy_powerups;

     QTimer *shieldTimer;
     bool initialized;
 };

 #endif</pre>
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